forked from DecentralizedClimateFoundation/DCIPs
42 lines
1.2 KiB
Solidity
42 lines
1.2 KiB
Solidity
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// SPDX-License-Identifier: CC0-1.0
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pragma solidity ^0.8.0;
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import "./ERC6150.sol";
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import "./interfaces/IERC6150ParentTransferable.sol";
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abstract contract ERC6150ParentTransferable is
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ERC6150,
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IERC6150ParentTransferable
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{
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function transferParent(
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uint256 newParentId,
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uint256 tokenId
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) public virtual override {
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require(
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_isApprovedOrOwner(_msgSender(), tokenId),
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"ERC6150ParentTransferable: caller is not token owner nor approved"
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);
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if (newParentId != 0) {
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require(
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_exists(newParentId),
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"ERC6150ParentTransferable: newParentId doesn't exists"
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);
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}
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address owner = ownerOf(tokenId);
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uint256 oldParentId = parentOf(tokenId);
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_safeBurn(tokenId);
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_safeMintWithParent(owner, newParentId, tokenId);
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emit ParentTransferred(tokenId, oldParentId, newParentId);
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}
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function batchTransferParent(
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uint256 newParentId,
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uint256[] memory tokenIds
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) public virtual override {
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for (uint256 i = 0; i < tokenIds.length; i++) {
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transferParent(tokenIds[i], newParentId);
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}
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}
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}
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